Abstract: A syringe for use in a pressurized injection of a fluid includes a syringe barrel including a polymeric material having undergone expansion via blow molding. An inner diameter of the syringe barrel can, for example, be sufficiently constant (over at least a portion of the axial length of the syringe) that a plunger slidably positioned within the syringe barrel and in generally sealing contact with an inner wall of the syringe barrel can be used within the syringe barrel to generate a pressure of at least 1 psi within the syringe barrel. In several embodiment, the inner diameter of the syringe barrel is sufficiently constant to generate a pressure of at least 100 psi, at least 300 psi, or even at least 500 psi within the syringe barrel.

Abstract: An improved stretch rod tip having a hollowed area for receipt of a portion of a preform and at least a portion of a sprue during stretch blow molding of a container. Upon hardening of the container, the received portion of the preform becomes a protective dome over the received portion of the sprue that is at least partially internal to the container and that greatly reduces cracking, shearing, or other fracturing of the container due to a drop impact.

Abstract: A stretch blow moulding machine and method are provided for forming a container. A preform is expanded to a first configuration in a blow mould of a stretch blow moulding machine. A stretching rod element is introduced to the blow mould to expand the preform from the first configuration to a second configuration. The stretching rod element moves axially in the blow mould in a stretching direction. The plastic perform is temporarily coupled to the stretching rod element during at least a period of time of the expansion of the preform from the first configuration to the second configuration for influencing a behavior of the perform during the expansion.

Abstract: Methods of producing toothbrush handles having an inner cavity are provided.

Abstract: Balloon catheter comprises an elongated shaft having a proximal end and a distal end, the elongated shaft including a biaxially oriented nonporous thermoplastic polymer tubular member having a Shore durometer hardness of less than about 75 D with an inflation lumen defined therein. The balloon catheter also comprises a balloon sealing secured proximate the distal end of the shaft and having an interior in fluid communication with the inflation lumen.

Abstract: A method for producing a vessel by stretch blow-molding in a mold from a preform made of plastic material includes heating the preform and introducing the preform in the mold. The preform is stretched by a rod displaced at a predetermined stretching speed. At a pre-blowing cue, the electrovalve is opened for establishing a communication between the inside of the preform and a gas source at a predetermined pre-blowing pressure and a pre-blowing flow rate. Pressure inside the preform is measured and a pressure peak is detected. The moment at which this pressure peak occurs and the corresponding pressure inside the preform is stored and compared with a predetermined moment and pressure for a theoretical pressure peak. Depending on the result, at least one of the following are modified: pre-blowing pressure, pre-blowing flow rate, pre-blowing cue, stretching speed, and heating temperature.

Abstract: An injection blow molding method for making a container having the steps of injecting a molten crystallizable polymer in a preform mold via a hot runner system and biaxially stretching the preform by blowing to form a container. The method further having the step to selectively modify the flow path of the molten crystallizable polymer within the hot runner system.

Abstract: An apparatus for shaping plastic preforms into plastic containers, including a plurality of blow molding stations which each have a cavity in which the plastic preforms can be shaped into plastic containers. The blow molding stations are arranged on a movable carrier and each have a stretching rod which stretches the plastic containers in their longitudinal direction by a movement in a stretching direction. A fluid-actuated drive device is provided for driving the stretching rod in the stretching direction. The apparatus includes a guide cam which is arranged in a stationary manner and by means of which the stretching rod can be moved counter to the stretching direction as a function of a movement of the blow molding station. At least one portion of the guide cam is adjustable and, for example, by virtue of this adjustment a dependency of the movement of the stretching rod on the movement of the blow molding station can be varied.

Abstract: A process for blow-molding a container, the container having a handle, whereby the process includes the steps of: (i) introducing a preform into a mold cavity and stretching the preform with a stretch rod; (ii) increasing the pressure within the preform so that the preform expands within the mold cavity in a first blowing step, the pressure in the first blowing step is from 1 to 10 bar; (iii) inwardly moving jaws within the mold cavity so that the expanding preform is partially gripped between the jaws in the handle region; (iv) subsequently increasing the pressure within the preform wherein the maximum pressure in the second blowing step is greater than 10 bar, so that the preform expands to the limits of the mold cavity in a second blowing step to form a container; and wherein the inward movement of the jaws is completed within the first blowing step.

Abstract: A method and apparatus for manufacture of a liner of a container is disclosed. The apparatus includes an elongate shaft having a first end and a second end, wherein at least one of the first end and the second end receives a container penetration element thereon.

Abstract: Injection stretch blow molded (ISBM) articles and methods of forming the same are described herein. The ISBM articles generally include a propylene-based impact copolymer.

Abstract: This invention covers injection stretch blow moulded articles prepared from polyethylene resin having a bimodal molecular weight distribution (MWD), defined by the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn), of from 2 to 20, comprising two polyethylene fractions A and B, fraction A being substantially free of comonomer and having a lower weight average molecular weight and a higher density than fraction B, each fraction prepared in different reactors of two reactors connected in series in the presence of a metallocene-containing catalyst system.

Abstract: A method of forming a container from bi-axially orientable plastics material and having an integral handle with the steps of forming a preform having a neck portion and an expandable portion below the neck portion, with the neck portion including a locating ring above the expandable portion and a handle molded to the non expandable at one end and molded to the expandle portion at the other end. Where the molded-in handle is the approximate length of the handle of the finished container. The unblown preform of orientable plastics is inserted into a blow molder and thereafter stretched by a stretch rod. During the stretch process the handle on the preform unbends rather than stretching to form the approximate shape of the handle in the finished container. The blow mold then closes on the stretched preform thus capturing the handle. Blow gas is then injected into the interior.

Abstract: A process for producing cellular thermoplastic articles. The process comprises the steps of treating a solid parison made from a thermoplastic material with a saturating gas at an elevated pressure for a period of time to provide a gas-saturated parison; heating the gas-saturated parison to prepare a cellular parison; placing the cellular parison in a mold; and blowing a molding gas into the cellular parison to expand the cellular parison into the shape of the mold to provide a shaped cellular article.

Abstract: A pearlescent container comprising about 86% to about 99.99% of a thermoplastic material having a Total Luminous Transmittance value of at least about 80%, about 0.01% to about 5% of a siloxane fluid having a viscosity of no greater than about 1,000,000 cst, wherein said thermoplastic material and said siloxane fluid are immiscible, forms a lamellar structure, and have a Refractive Index difference of at least about 0.1.

Abstract: A balloon catheter is provided with integral tubular extensions for securing dilation elements to the outside of the balloon. The dilation elements are disposed within the tubular extensions along the working diameter of the balloon. The balloon may be manufactured by extruding a parison and blow molding the parison with the dilation elements installed within the tubular extensions.

Abstract: Disclosed are a method and a device for blow molding containers (2). A parison (1) is stretched by means of a stretching rod (11) within a blow mold (4) and molded into the container by applying blow pressure following thermal conditioning. The pressurized gas is introduced into the container (2) via at least two different flow paths (55, 56). Advantageously, one of the flow paths (56) ends near the orifice area (21) while a second flow path (55) ends near a container bottom (51). At least some of the pressurized gas is introduced into the container (2) through the stretching rod (11).

Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.

Abstract: A continuous blow molding machine includes a mechanism for shifting molds upstream after closing to reduce between-mold flash.

Abstract: A process for blow-molding a container, the container comprising a handle, whereby the process comprises the steps of: (i) introducing a preform (2) into a mold cavity and stretching the preform (2) with a stretch rod; (ii) increasing the pressure within the preform (2) so that the preform (2) expands within the mold cavity in a first blowing step, the pressure in the first blowing step is from 1 to 10 bar; (iii) inwardly moving jaws (3, 4) within the mold cavity so that the expanding preform (2) is partially gripped between the jaws in the handle region; (iv) subsequently increasing the pressure within the preform (2) wherein the maximum pressure in the second blowing step is greater than 10 bar, so that the preform (2) expands to the limits of the mold cavity in a second blowing step to form a container; and wherein the inward movement of the jaws (3, 4) is completed within the first blowing step.

Abstract: A method of forming a container from bi-axially orientable plastics material and having an integral handle with the steps of forming a preform having a neck portion and an expandable portion below the neck portion, with the neck portion including a locating ring above the expandable portion and a handle molded to the non expandable at one end and molded to the expandle portion at the other end. Where the molded-in handle is the approximate length of the handle of the finished container. The unblown preform of orientable plastics is inserted into a blow molder and thereafter stretched by a stretch rod. During the stretch process the handle on the preform unbends rather than stretching to form the approximate shape of the handle in the finished container. The blow mold then closes on the stretched preform thus capturing the handle. Blow gas is then injected into the interior.

Abstract: Methods to expand polymer tubing with desirable or optimum morphology and mechanical properties for stem manufacture and fabrication of a stent therefrom are disclosed.

Abstract: The present invention relates to a process for blowing an article with at least one recess.

Abstract: A parison is described, as also is a method for the production of plastics bottles, in particular PET bottles, this having a rigid, substantially elongate body (2), which has a base (5) at one of its ends. At its opposite end, the body (2) of the parison (1) adjoins a neck section (3) which has been provided with a pouring aperture (6) and which is separated from the body (2) via a radially protruding, flange-like support ring (4), and which has a parison shoulder (A) below the support ring (4). The parison (1) has an external diameter of from 17.4 mm to 21.4 mm measured at the transition of the body (2) to the base (5), its wall thickness at that point being from 3.4 mm to 4.4 mm. The parison (1) also has a wall thickness of from 1.4 mm to 2.2 mm at the parison shoulder (A). The external diameter of the parison shoulder (A) has been judged in such a way that its separation (d) from the blow molding wall (12) is from 1.2 mm to 3 mm when the parison (1) is inserted into the blow mold (10).

Abstract: A system for pre-stretching a preform utilized in forming a container. The system including an oven, a conveyor system configured for transporting preforms through the oven a blow molding station having at least one mold with interior surfaces defining the shape of the container, and a transfer station configured to transfer a preform from the oven into the blow molding station. The system also includes a stretch rod and an actuator. The stretch rod is movable between retracted and extended positions such that, when in the extended position, the stretch rod is positioned interiorly of the preform and the preform is elongated by the stretch rod to form a pre-stretched preform. The stretch rod is located to form the pre-stretched preform prior to the blowing medium being introduced into the preform in the blow molding station.

Abstract: The present invention relates to an injection-stretch blow molding process (ISBM) for the manufacture of an impact-resistant container with good optical properties from a polyolefin composition comprising a polypropylene and a polyethylene produced with a metallocene-based catalyst.

Abstract: A technical problem is to fully make up for a restricted upper limit to the preform body wall thickness. An object is to provide a bottle which is narrow-mouthed and yet has a substantially expanded body. The molding process comprises steps of: (1) injection molding a preform in the shape of a test tube taller than the bottle wherein the preform has a cylindrical mouth opening portion disposed in an upper part of the preform, and wherein the mouth opening portion of the preform serves also as a mouth opening portion of the bottle product; (2) thermally shrinking the preform from an initial height so that portions other than the mouth opening portion of the preform would have a height that is smaller than that of the bottle; and (3) setting this thermally shrunk preform in a blow mold and biaxially drawing and blow molding the preform into the bottle.

Abstract: Device (1) for blowing and stretching a plastic parison (3) for obtaining a container, comprising: a blowing nozzle (4) having a first end (4a) to be applied to an inlet (3a) of said parison (3), said first end (4a) emerging in a controlled-contamination environment (5) wherein said parison (3) is blown; a stretching rod (2); means for injecting mid and high pressure air in said parison (3); a non-magnetic tube (7) secured to a second end (4b) of the blowing nozzle (4) and defining a chamber (8) for housing, at least partially, the stretching rod (2), said chamber (8) being tight-sealed relative to a contaminated area (22) from which said controlled-contamination environment (5) is isolated; a first magnet arrangement (9) and a second magnet arrangement (10) coupled together, said first magnet arrangement (9) being located outside said chamber (8) and said second magnet arrangement (10) being integral to said stretching rod (2) and located within said chamber (8).

Abstract: A mold device and a method related thereto for forming a plastic container from a preform. The mold device comprises a mold defining a mold cavity, an optional stretch initiation rod system for engaging an interior portion of the preform to define a stretch initiation area, and a centrally disposed pressure source positionable within the preform for introducing a pressurized fluid.

Abstract: A tube material is formed by continuously extruding a thermoplastic resin material in the shape of a cylinder that has a thickness of 100 ?m and a circumferential length of 800 mm. After that, in a polishing process, the tube material is rubbed with a lapping tape of #2000 while being rotated in one direction at a fixed speed, so that circumferential stripes are formed on the outer circumferential surface of the tube material. Then, the circumferential stripes are thermally transferred by pressing the outer circumferential surface of the heated tube material against a mold surface that is finished in the shape of circumferential stripes by a thermal transfer process.

Abstract: Injection stretch blow molded (ISBM) articles and methods of forming the same are described herein. The ISBM articles generally include a propylene-based impact copolymer.

Abstract: A pearlescent container comprising about 86% to about 99.99% of a thermoplastic material having a Total Luminous Transmittance value of at least about 80%, about 0.01% to about 5% of a siloxane fluid having a viscosity of no greater than about 1,000,000 cst, wherein said thermoplastic material and said siloxane fluid are immiscible, forms a lamellar structure, and have a Refractive Index difference of at least about 0.1.

Abstract: The invention relates to a method and a device for blow-molding containers. Following a thermal conditioning process, a parison is stretched by a horizontal bar inside a blow station provided with a blow mold, and is molded into a container by the effect of the blowing pressure. In order to carry out the blow-molding, pressurized gas is introduced into the container. The horizontal rod is hollow at least in parts. Once a maximum blowing pressure has been reached in the blow station and at the earliest at the beginning of a pressure drop, a cooling gas is guided out of the horizontal bar towards the bottom of the blown container.

Abstract: A biaxially stretched polyester bottle of which a central part of a bottle body portion satisfies at least either (1) that an elongation in the circumferential direction is larger than an elongation in the longitudinal direction in the tensile test at room temperature or (2) that an orientation parameter in the circumferential direction is smaller than an orientation parameter in the longitudinal direction in the Raman spectrometry. Despite the body portion having an average thickness as small as 250 ?m or less, the bottle has a drop impact resistance while exhibiting excellent appearance.

Abstract: At least one blow-moulding station is arranged on a conveying device. The blow-moulding station includes a blow-mould that forms a cavity into which plastics material pre-forms are expanded by a gaseous medium, supplied by a stressing device. A clean room at least partially surrounds the blow-moulding station. A stretching unit stretches the plastics material pre-forms along their longitudinal direction with a stretch bar that is insertable into the plastics material pre-forms. The stretching unit includes a drive device for moving the stretch bar. The blow moulding station includes a receiving space with at least one wall for receiving the stretch bar. In operation, the drive device is positioned outside the receiving space at least part of the time. A gaseous medium at a pressure higher than ambient pressure in a non-sterile environment of the receiving space is supplied to the receiving space.

Abstract: An apparatus for shaping plastics material pre-forms into containers includes a blow moulding station on a movable conveying device. The station has a blow mould forming a cavity in which the pre-forms are expandable by a gaseous medium. A stressing device acts upon the pre-forms with the gaseous medium to expand them. A clean room surrounds the blow moulding station at least in part. A stretching unit stretches the pre-forms along their longitudinal direction and includes a stretch bar movable with respect to the plastics material pre-forms. The stretch bar is insertable into the pre-forms. The station has a receiving space with a wall for receiving the stretch bar, which is movable relative to the receiving space and which surrounds the stretch bar at least in part. A flexible sealing device, which separates a sterile room area from a non-sterile room area, is arranged inside the receiving space.

Abstract: Hollow plastic containers provided with a narrow opening and a body having a base and at least one side wall extending longitudinally between the narrow opening and the base, such as bottles or similar, are obtained from preforms by stretch blow molding. A blend of polyethylene terephtalate (PET) and polytrimethylene terephtalate (PTT), with a weight proportion of PTT in the range 5-50% is injected to obtain the preform. During the stretch blow molding step, the multi polyester preform undergoes longitudinal stretching at a longitudinal ratio of between approximately 3.5 and 6 and radial stretching at a ratio of between approximately 4 and 9. The body of the preform is subjected to an overall stretching ratio included between 16 and 50, whereby the weight of the container produced by stretch-blow molding may be reduced.

Abstract: The invention relates to an apparatus (1) for the stretch blow molding of plastics material pre-forms to form plastics material containers with a carrying device (2) for carrying a blow mold (3) comprising at least two shell parts (4, 5) and a base part (6) and with a base part clamping device (10) comprising a base part receiving means (11; 111) and holding devices (12, 13 and 14, 15; 114, 115 respectively) for holding the base part receiving means (11; 111), in which the base part receiving means (11; 111) is capable of being clamped to the holding devices (12, 13 and 14, 15; 114, 115 respectively) by way of a fastening with positive locking (18; 118), in which the fastening with positive locking (18; 118) has positive locking areas (22) produced from ceramic material.

Abstract: An injection blow molding machine having an injection molding rotor including a plurality of injection molding units with individual split mold cavities for preforms, a transfer rotor, a blow molding rotor including a plurality of blow molds, and a removal rotor, essentially within a shared operating plane, and split mobile neck molding parts which fit into each blow mold and each mold cavity and which are transferred with a preform and removed with a stretch-blown bottle from the blow mold. In the process, each preform is transferred in the neck molding part into the blow mold.

Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.

Abstract: The use of nucleating agents to manufacture polymeric stents is disclosed. The resulting stents may have increased crystallinity, decreased crystal size, increased mechanical properties, and faster degradation times.

Abstract: The invention relates to manufacturing thermoplastic material containers (2) with a petaloid bottom (4) by drawing-blowing hot preforms (16) in a blowing mold that has a petaloid mold bottom (1) including radiating ridges (13) alternating with cavities (11) that are adapted to form the valleys (7) and the feet (5), respectively, of the container bottom; during drawing, heat losses are reduced in longitudinal zones (19) of the end part (20) of the preforms, extending over the bottom (18) and over an axial portion of their body (21), distributed over the periphery of the ends of the preforms facing respective cavities (11) of the mold bottom (1).

Abstract: A method of stretch-blow-molding a beverage container for containing a carbonized beverage which method comprises providing a preform (11) having a neck part and a body part. The preform includes an inner layer (24) of a first polymeric composition, an outer layer (12) of a second polymeric composition, and an intermediate layer (22) of a third polymeric composition. The third polymeric composition has adhesive surface properties relative to the first and second polymeric compositions, and the adhesive surface properties are permanently degraded by exposure to irradiation of a certain wavelength or certain wavelengths and intensity. The method further comprises mounting the preform onto a stretch-blow-molding device and blow molding the preform into the beverage container by irradiating the body part with radiation at least including the certain wavelength or certain wavelengths and intensity while protecting the neck part from any substantial radiation.

Abstract: Method and device for the production of plastic containers by blow molding or stretch blow molding of preforms, whereby the preforms are tempered, whereby the blow molds or stretch blow molds are possibly pre-heated before or during the blow molding or stretch blow molding process and whereby compressed air is injected into the preforms as blowing medium during the blow molding process. The blow molding and/or stretch blow molding devices as well as handling means and transport means are provided with operating power. The compressed air supply and/or the pre-heating means and/or the heating means and/or the drive means are powered by primary energy provided by at least one energy conversion device.

Abstract: Provided is a polyester resin composition comprising a sulfonamide compound as a nucleating agent, in which polyester resin composition coloring is inhibited. The polyester resin composition according to the present invention is a polyester resin composition comprising, with respect to 100 parts by mass of a polyester resin, 0.01 to 30 parts by mass of a phosphorus-based antioxidant (A) and 0.1 to 30 parts by mass of a sulfonamide compound metal salt (B), wherein the sulfonamide compound metal salt (B) has a water content of 0.1% to 20% based on the mass ratio with respect to the sulfonamide compound metal salt and not higher than 3% based on the mass ratio with respect to the polyester resin composition.

Abstract: A biaxially stretched, blow molded bottle made of a resin of the PET series has a bottle neck that is formed by expanding a body of a preform in a shape of a test tube to give the bottle neck a large diameter, just as the preform is expanded to obtain a body of the bottle, in a stretching step of a biaxial stretching and blow molding process. The bottle neck density is set at 1.368 g/cm3 or more or a ratio of an absolute value of crystallization enthalpy, ?Hc, to melting enthalpy, ?Hm, (that is, |?Hc|/?Hm) is set at a value less than 0.1, by meeting a processing condition for stretching in a stretching step and by setting a predetermined mold temperature within a thermally crystallizable range used for the resin of the polyethylene terephthalate series.

Abstract: A process for producing cellular thermoplastic articles. The process comprises the steps of treating a solid parison made from a thermoplastic material with a saturating gas at an elevated pressure for a period of time to provide a gas-saturated parison; heating the gas-saturated parison to prepare a cellular parison; placing the cellular parison in a mold; and blowing a molding gas into the cellular parison to expand the cellular parison into the shape of the mold to provide a shaped cellular article.

Abstract: A balloon catheter is provided with integral channels for securing dilation elements to the outside of the balloon. The dilation elements have an anchor portion and an intermediate portion that are disposed within first and second longitudinal cavities in the channels. The balloon may be manufactured by extruding a parison and blow molding the parison with the dilation elements installed within the channels.

Abstract: A polyester article is made to appear lustrously metallic or pearlescent by the addition of polymethylpente and non-metallic, non-pearlescent colorant; and optionally other functional additives. The colorant can be one or more pigments, one or more dyes, or combination thereof. A stretch blow molded plastic article, such as a bottle, using the polymethylpentene in the polyester can simulate the appearance of a metallic surface or a pearlescent luster even though non-metallic and non-pearlescent colorants are used.

Abstract: A method for stretch-blowing containers of preforms in a blow-molding station of a blow-molding machine, where a stretching bar is adjusted during a stretching process via an electric servomotor by taking along the preform bottom until it contacts a mold cavity bottom of a blow mold, and where in the final phase or at the end or after termination of the stretching process the force transmitted by the servomotor to the stretching bar is reduced in a controlled manner by a maximum force. A stretch-blowing machine, including an electronic programmable control unit having an input section for programming a fixed or a variable reduction of the force the servomotor transmitted in a final phase or upon termination or after termination of each stretching process to the stretching bar with regard to a maximum force and a fixed or a variable period of time for the force reduction and/or a fixed or a variable force reduction waiting time.